75 lines
No EOL
2.2 KiB
JavaScript
75 lines
No EOL
2.2 KiB
JavaScript
"use strict";
|
|
|
|
Object.defineProperty(exports, "__esModule", {
|
|
value: true
|
|
});
|
|
exports.default = _default;
|
|
|
|
var _utils = require("./utils");
|
|
|
|
const BABEL_POLYFILL_DEPRECATION = `
|
|
\`@babel/polyfill\` is deprecated. Please, use required parts of \`core-js\`
|
|
and \`regenerator-runtime/runtime\` separately`;
|
|
const NO_DIRECT_POLYFILL_IMPORT = `
|
|
When setting \`useBuiltIns: 'usage'\`, polyfills are automatically imported when needed.
|
|
Please remove the direct import of \`SPECIFIER\` or use \`useBuiltIns: 'entry'\` instead.`;
|
|
|
|
function _default({
|
|
template
|
|
}, {
|
|
regenerator,
|
|
deprecated,
|
|
usage
|
|
}) {
|
|
return {
|
|
name: "preset-env/replace-babel-polyfill",
|
|
visitor: {
|
|
ImportDeclaration(path) {
|
|
const src = (0, _utils.getImportSource)(path);
|
|
|
|
if (usage && (0, _utils.isPolyfillSource)(src)) {
|
|
console.warn(NO_DIRECT_POLYFILL_IMPORT.replace("SPECIFIER", src));
|
|
if (!deprecated) path.remove();
|
|
} else if (src === "@babel/polyfill") {
|
|
if (deprecated) {
|
|
console.warn(BABEL_POLYFILL_DEPRECATION);
|
|
} else if (regenerator) {
|
|
path.replaceWithMultiple(template.ast`
|
|
import "core-js";
|
|
import "regenerator-runtime/runtime.js";
|
|
`);
|
|
} else {
|
|
path.replaceWith(template.ast`
|
|
import "core-js";
|
|
`);
|
|
}
|
|
}
|
|
},
|
|
|
|
Program(path) {
|
|
path.get("body").forEach(bodyPath => {
|
|
const src = (0, _utils.getRequireSource)(bodyPath);
|
|
|
|
if (usage && (0, _utils.isPolyfillSource)(src)) {
|
|
console.warn(NO_DIRECT_POLYFILL_IMPORT.replace("SPECIFIER", src));
|
|
if (!deprecated) bodyPath.remove();
|
|
} else if (src === "@babel/polyfill") {
|
|
if (deprecated) {
|
|
console.warn(BABEL_POLYFILL_DEPRECATION);
|
|
} else if (regenerator) {
|
|
bodyPath.replaceWithMultiple(template.ast`
|
|
require("core-js");
|
|
require("regenerator-runtime/runtime.js");
|
|
`);
|
|
} else {
|
|
bodyPath.replaceWith(template.ast`
|
|
require("core-js");
|
|
`);
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
}
|
|
};
|
|
} |